Home / 43,475.70-65,189.52-13,481.62

Finding the Fourth Proportional to 43,475.70, 65,189.52 and 13,481.62

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Solution

The fourth proportional to 43,475.70, 65,189.52 and 13,481.62 is: 20,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,475.70 : 65,189.52 = 13,481.62 : x
  2. Step 2: Convert to fraction form
    43,475.70/65,189.52 = 13,481.62/x
  3. Step 3: Cross multiply
    43,475.70x = 65,189.52 × 13,481.62
  4. Step 4: Simplify right side
    43,475.70x = 878,860,336.62
  5. Step 5: Solve for x
    x = 878,860,336.62/43,475.70
  6. Step 6: Final answer
    x = 20,214.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.